
Detectify
UptimeRobot
Mozilla Observatory
Reeve.page
SimpleBackups
Snyk
Intruder
AppSitter connects to your GitHub repo and checks what nobody can see from outside: row-level security across every migration, keys shipped in the bundle, dependency advisories, email DNS. Every finding comes back as a prompt for your builder.

Mainstack enables entrepreneurs with commerce and global payment solutions to showcase and get paid for their work and services, grow revenue, and manage customers - all in one place.

Website, pricing, platforms and company facts side by side.
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| Website | appsitter.app | mainstack.com |
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| Company | Startup from Germany · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


AI builders let anyone ship a real app. Nothing in that workflow tells you when the app is leaking data, or quietly running up a database bill. AppSitter is the watch service for exactly that gap. FREE URL SCAN, NO ACCOUNT Paste your live URL and see what the outside world can already see: API...
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Detectify provides a user friendly and thorough web security scan that allows you to focus 100% on web development.
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The Mozilla Observatory is a project designed to help developers, system administrators, and security professionals configure their sites safely and securely.
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Managed Supabase backups: verified copies kept off-platform, encrypted, restored in one click. Plus a free security scanner for AI-built apps (Lovable, Base44, Replit, v0, Claude, Codex) and uptime monitoring.
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Remove backups from your to-do list in 2 minutes. Automate all your server, database, website, snapshot, and cloud storage backups. Works with any Provider including DigitalOcean, AWS, Google Cloud, Azure, Dropbox, Vultr, Exoscale, OVH, and more.
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Snyk helps you use open source and stay secure. Continuously find and fix vulnerabilities for npm, Maven, NuGet, RubyGems, PyPI and much more.
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